NAU8401YG TR

Product Overview

• Category: Integrated Circuit
• Use: Audio Amplifier
• Characteristics: Low Power, High Performance
• Package: 20-pin QFN
• Essence: Analog-to-Digital Converter (ADC)
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Input Voltage Range: ±2.5 V
• Power Supply: 3.3 V
• Total Harmonic Distortion + Noise (THD+N): -100 dB
• Signal-to-Noise Ratio (SNR): 110 dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VDD: Power supply voltage
2. GND: Ground reference
3. SDATA: Serial data output
4. SCLK: Serial clock input
5. LRCK: Left/right channel select
6. MCLK: Master clock input
7. RESET: Reset pin
8. DVDD: Digital power supply voltage
9. AGND: Analog ground reference
10. AINL: Analog input left channel
11. AINR: Analog input right channel
12. AVDD: Analog power supply voltage
13. VREF: Reference voltage
14. DOUT: Digital audio output
15. DEMP: De-emphasis control
16. BICK: Bit clock input
17. FS: Frame sync input
18. GPIO1: General-purpose input/output 1
19. GPIO2: General-purpose input/output 2
20. NC: No connection

Functional Features

• High-resolution audio conversion
• Low power consumption
• Wide dynamic range
• Built-in digital filters for audio processing
• Programmable gain amplifier
• Flexible control interface

Advantages and Disadvantages

Advantages: - High-quality audio conversion - Low power consumption - Compact package size - Wide operating temperature range

Disadvantages: - Limited number of general-purpose input/output pins - Requires external components for complete audio system integration

Working Principles

The NAU8401YG TR is an analog-to-digital converter designed for high-resolution audio applications. It converts analog audio signals into digital format with a resolution of up to 24 bits. The device operates on a 3.3 V power supply and offers a wide input voltage range of ±2.5 V. It utilizes built-in digital filters and a programmable gain amplifier to enhance the audio signal quality. The ADC output is provided in serial format through the SDATA pin.

Detailed Application Field Plans

The NAU8401YG TR is suitable for various audio-related applications, including:

1. Professional audio recording equipment
2. Consumer audio devices (e.g., portable music players, headphones)
3. Automotive infotainment systems
4. Home theater systems
5. Telecommunications equipment

Detailed and Complete Alternative Models

1. MAX11270: 24-bit ADC with integrated PGA
2. PCM1808: 24-bit stereo ADC with differential inputs
3. CS5361: 24-bit ADC with multi-bit sigma-delta modulation
4. AK5578: 32-bit premium ADC for high-end audio applications
5. ADS1299: 24-bit ADC optimized for biomedical signal acquisition

These alternative models offer similar functionality and can be considered as alternatives to the NAU8401YG TR based on specific application requirements.

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